CVE-2025-6887

Name: CVE-2025-6887
Creator: NVD / NIST
Published: 2025-06-30T05:15:41.103+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.79%

Last modified Jun 17, 2026

CVE-2025-6887 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability was found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this issue is some unknown functionality of the file /goform/SetSysTimeCfg. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this issue is some unknown functionality of the file /goform/SetSysTimeCfg. The manipulation of the argument time/timeZone leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

7.4/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.79%

51.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tenda	Ac5 Firmware	15.03.06.47

References

https://lavender-bicycle-a5a.notion.site/Tenda-AC5-fromSetSysTime_time-21d53a41781f8002bdb3fe8344d6fd8c?source=copy_linkExploit, Third Party Advisory
https://lavender-bicycle-a5a.notion.site/Tenda-AC5-fromSetSysTime_timeZone-21d53a41781f8021ae2fd2ac639f1b3f?source=copy_linkExploit, Third Party Advisory
https://vuldb.com/?ctiid.314366Permissions Required, VDB Entry
https://vuldb.com/?id.314366Third Party Advisory, VDB Entry
https://vuldb.com/?submit.603788Third Party Advisory, VDB Entry
https://vuldb.com/?submit.603789Third Party Advisory, VDB Entry
https://www.tenda.com.cn/Product

Timeline

Published: Jun 30, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-6887?

How severe is CVE-2025-6887?

CVE-2025-6887 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.

How do I fix CVE-2025-6887?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-6887?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST